test(observables): add unit tests for requestContentLength

Author: tusharmath

perf/server.js

@@ -12,6 +12,7 @@ var options = {
 var httpServer = http.createServer(app)
 var httpsServer = https.createServer(options, app)
 app.use('/files', express.static(path.join(__dirname, '/files')))
+app.get('/fixed-size', (req, res) => res.send('a quick brown fox jumps over the lazy dog'))
 
 const startServer = (app, port) => new Promise((i) => { // eslint-disable-line
   const onClose = () => new Promise((i) => server.close(i)) // eslint-disable-line

test/integration/test.observable.js

@@ -32,4 +32,12 @@ test(async function (t) {
     .toPromise()
   t.same(response.headers['content-length'], '317235')
 })
+
+test(async function (t) {
+  const size = await Observables
+    .requestContentLength({url: 'https://localhost:3101/fixed-size', strictSSL: false})
+    .toPromise()
+  t.same(size, 41)
+})
+
 /*eslint-enable */